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Brrunno [24]
3 years ago
15

When ripples pass though a gap in a barrier what is observed

Physics
1 answer:
katen-ka-za [31]3 years ago
8 0
Diffraction and the extent of the spreading (diffraction) depends to how the width of the gap is compared to the wavelength of the waves.
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As microwave light travels through a liquid, it moves at a speed of 2.2 x 108 m/s. If the frequency of this light wave is 1.1 x
Alexandra [31]

λ = 2 m.

The easiest way to solve this problem is using the equation of frecuency of a wave f = v/λ, where v is the velocity of the wave, and λ is the wavelength.

To calculate the wavelength of a microwave light travels through a liquid, it moves at a speed of 2.2 x 10⁸ m/s. If the frecuency of the light wave is 1.1 x 10⁸ Hz, we have to clear λ from the equation f = v/λ:

f = v/λ -------> λ = v/f

λ = 2.2 x 10⁸ m/s / 1.1 x 10⁸ Hz

λ = 2 m (wavelength of the microwave)

7 0
3 years ago
What are the different isotopes
Norma-Jean [14]

Answer:

Isotopes can both be the same element but have a different number of electrons

Explanation: not sure if more was supposed to be there, but i tried

6 0
3 years ago
A positive point charge q is placed at the center of an uncharged metal sphere insulated from the ground. The outside of the sph
Olenka [21]

Answer:

B.The charge on A is -q; there is no charge on B.

Explanation:

We are given that

Charge=+q

We have to find the correct statement.

When positive charge is placed at center of uncharged metal sphere

insulated from the ground then negative charge(-q) induced on inner

surface  A  of sphere  and the outer  surface B  is grounded then the surface is neutral .

It means there is no charge on surface B.

Hence, option B is true .

B.The charge on A is -q; there is no charge on B.

4 0
3 years ago
A glass of root beer with a scoop of ice cream floating on top and a straw sticking out.
vampirchik [111]

Answer:

These forces are all equal and cancel each other out. Gravity pushes downward on the ice cream. This can also be called the weight of the ice cream. Buoyant force pushes the ice cream upward

6 0
2 years ago
A van der Graaff generator belt takes 250 electrons up to the ball at the top every second. Assuming that there is no loss, how
Strike441 [17]
3.75 x 108 is 2000 hope that is right
6 0
2 years ago
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